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SIMILARITY : DETERMINATION IMAGE QUALITY ON THORAX COVID-19 AND TUBERCULOSIS USING OPTICAL DENSITY IMAGE ANALYSIS

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Covid-19 is a type of pneumonia disease currently affecting people around the world.
Covid-19 and tuberculosis are lung diseases that are dangerous and spread quickly to other humans.
Chest radiography is one of the main modalities in the management of suspected COVID-19 and
tuberculosis patients as it provides radiological information on lung infections that can be used as
diagnostic guidelines and patient care. This study aims to determine the differences in optical density
and contrast in Covid-19 and pneumonia tuberculosis cases in order to find the specific characteristics
of Covid-19 and tuberculosis. This research processed secondary data from Covid-19 and
tuberculosis positive patients using image-J software that can be easily obtained and operated by
anyone. After processing, the density and contrast were analyzed, particularly for the lungs. Based on
image processing results, the average density for Cnovid-19 radiographs is 1,066, while for
Tuberculosis radiograph is 1,519. The average contrast values for Covid-19 and tuberculosis
radiographs are 0.37 and 1.03. Thus, it can be concluded that the contrast of the Covid-19 radiograph
is lower than the tuberculosis radiograph. The difference in optical density on the tuberculosis and
Covid-19 cases is 0.5 as the opacity on the chest radiographs of Covid-19 patients is evenly
distributed over the entire lung surface.

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Applied Mechanics and Material : Trans Tech Publication., 2023

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SIMILARITY

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